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-rw-r--r--examples/network/fortuneclient/client.cpp191
-rw-r--r--examples/network/fortuneclient/client.h86
-rw-r--r--examples/network/fortuneclient/fortuneclient.pro12
-rw-r--r--examples/network/fortuneclient/main.cpp52
4 files changed, 341 insertions, 0 deletions
diff --git a/examples/network/fortuneclient/client.cpp b/examples/network/fortuneclient/client.cpp
new file mode 100644
index 0000000..4d65828
--- /dev/null
+++ b/examples/network/fortuneclient/client.cpp
@@ -0,0 +1,191 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QtNetwork>
+
+#include "client.h"
+
+//! [0]
+Client::Client(QWidget *parent)
+ : QDialog(parent)
+{
+//! [0]
+ hostLabel = new QLabel(tr("&Server name:"));
+ portLabel = new QLabel(tr("S&erver port:"));
+
+ hostLineEdit = new QLineEdit("Localhost");
+ portLineEdit = new QLineEdit;
+ portLineEdit->setValidator(new QIntValidator(1, 65535, this));
+
+ hostLabel->setBuddy(hostLineEdit);
+ portLabel->setBuddy(portLineEdit);
+
+ statusLabel = new QLabel(tr("This examples requires that you run the "
+ "Fortune Server example as well."));
+
+ getFortuneButton = new QPushButton(tr("Get Fortune"));
+ getFortuneButton->setDefault(true);
+ getFortuneButton->setEnabled(false);
+
+ quitButton = new QPushButton(tr("Quit"));
+
+ buttonBox = new QDialogButtonBox;
+ buttonBox->addButton(getFortuneButton, QDialogButtonBox::ActionRole);
+ buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
+
+//! [1]
+ tcpSocket = new QTcpSocket(this);
+//! [1]
+
+ connect(hostLineEdit, SIGNAL(textChanged(const QString &)),
+ this, SLOT(enableGetFortuneButton()));
+ connect(portLineEdit, SIGNAL(textChanged(const QString &)),
+ this, SLOT(enableGetFortuneButton()));
+ connect(getFortuneButton, SIGNAL(clicked()),
+ this, SLOT(requestNewFortune()));
+ connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
+//! [2] //! [3]
+ connect(tcpSocket, SIGNAL(readyRead()), this, SLOT(readFortune()));
+//! [2] //! [4]
+ connect(tcpSocket, SIGNAL(error(QAbstractSocket::SocketError)),
+//! [3]
+ this, SLOT(displayError(QAbstractSocket::SocketError)));
+//! [4]
+
+ QGridLayout *mainLayout = new QGridLayout;
+ mainLayout->addWidget(hostLabel, 0, 0);
+ mainLayout->addWidget(hostLineEdit, 0, 1);
+ mainLayout->addWidget(portLabel, 1, 0);
+ mainLayout->addWidget(portLineEdit, 1, 1);
+ mainLayout->addWidget(statusLabel, 2, 0, 1, 2);
+ mainLayout->addWidget(buttonBox, 3, 0, 1, 2);
+ setLayout(mainLayout);
+
+ setWindowTitle(tr("Fortune Client"));
+ portLineEdit->setFocus();
+//! [5]
+}
+//! [5]
+
+//! [6]
+void Client::requestNewFortune()
+{
+ getFortuneButton->setEnabled(false);
+ blockSize = 0;
+ tcpSocket->abort();
+//! [7]
+ tcpSocket->connectToHost(hostLineEdit->text(),
+ portLineEdit->text().toInt());
+//! [7]
+}
+//! [6]
+
+//! [8]
+void Client::readFortune()
+{
+//! [9]
+ QDataStream in(tcpSocket);
+ in.setVersion(QDataStream::Qt_4_0);
+
+ if (blockSize == 0) {
+ if (tcpSocket->bytesAvailable() < (int)sizeof(quint16))
+ return;
+//! [8]
+
+//! [10]
+ in >> blockSize;
+ }
+
+ if (tcpSocket->bytesAvailable() < blockSize)
+ return;
+//! [10] //! [11]
+
+ QString nextFortune;
+ in >> nextFortune;
+
+ if (nextFortune == currentFortune) {
+ QTimer::singleShot(0, this, SLOT(requestNewFortune()));
+ return;
+ }
+//! [11]
+
+//! [12]
+ currentFortune = nextFortune;
+//! [9]
+ statusLabel->setText(currentFortune);
+ getFortuneButton->setEnabled(true);
+}
+//! [12]
+
+//! [13]
+void Client::displayError(QAbstractSocket::SocketError socketError)
+{
+ switch (socketError) {
+ case QAbstractSocket::RemoteHostClosedError:
+ break;
+ case QAbstractSocket::HostNotFoundError:
+ QMessageBox::information(this, tr("Fortune Client"),
+ tr("The host was not found. Please check the "
+ "host name and port settings."));
+ break;
+ case QAbstractSocket::ConnectionRefusedError:
+ QMessageBox::information(this, tr("Fortune Client"),
+ tr("The connection was refused by the peer. "
+ "Make sure the fortune server is running, "
+ "and check that the host name and port "
+ "settings are correct."));
+ break;
+ default:
+ QMessageBox::information(this, tr("Fortune Client"),
+ tr("The following error occurred: %1.")
+ .arg(tcpSocket->errorString()));
+ }
+
+ getFortuneButton->setEnabled(true);
+}
+//! [13]
+
+void Client::enableGetFortuneButton()
+{
+ getFortuneButton->setEnabled(!hostLineEdit->text().isEmpty()
+ && !portLineEdit->text().isEmpty());
+}
diff --git a/examples/network/fortuneclient/client.h b/examples/network/fortuneclient/client.h
new file mode 100644
index 0000000..b9fe7b1
--- /dev/null
+++ b/examples/network/fortuneclient/client.h
@@ -0,0 +1,86 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef CLIENT_H
+#define CLIENT_H
+
+#include <QDialog>
+#include <QTcpSocket>
+
+QT_BEGIN_NAMESPACE
+class QDialogButtonBox;
+class QLabel;
+class QLineEdit;
+class QPushButton;
+class QTcpSocket;
+QT_END_NAMESPACE
+
+//! [0]
+class Client : public QDialog
+{
+ Q_OBJECT
+
+public:
+ Client(QWidget *parent = 0);
+
+private slots:
+ void requestNewFortune();
+ void readFortune();
+ void displayError(QAbstractSocket::SocketError socketError);
+ void enableGetFortuneButton();
+
+private:
+ QLabel *hostLabel;
+ QLabel *portLabel;
+ QLineEdit *hostLineEdit;
+ QLineEdit *portLineEdit;
+ QLabel *statusLabel;
+ QPushButton *getFortuneButton;
+ QPushButton *quitButton;
+ QDialogButtonBox *buttonBox;
+
+ QTcpSocket *tcpSocket;
+ QString currentFortune;
+ quint16 blockSize;
+};
+//! [0]
+
+#endif
diff --git a/examples/network/fortuneclient/fortuneclient.pro b/examples/network/fortuneclient/fortuneclient.pro
new file mode 100644
index 0000000..bb125e8
--- /dev/null
+++ b/examples/network/fortuneclient/fortuneclient.pro
@@ -0,0 +1,12 @@
+HEADERS = client.h
+SOURCES = client.cpp \
+ main.cpp
+QT += network
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/network/fortuneclient
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS fortuneclient.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/network/fortuneclient
+INSTALLS += target sources
+
+include($$QT_SOURCE_TREE/examples/examplebase.pri)
diff --git a/examples/network/fortuneclient/main.cpp b/examples/network/fortuneclient/main.cpp
new file mode 100644
index 0000000..11dcbc6
--- /dev/null
+++ b/examples/network/fortuneclient/main.cpp
@@ -0,0 +1,52 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+
+#include "client.h"
+
+int main(int argc, char *argv[])
+{
+ QApplication app(argc, argv);
+ Client client;
+ client.show();
+ return client.exec();
+}
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